Detailed explanation of old wall reconstruction steps

Walls always get old and black when used for a long time. I suggest you remove the old putty and scrape it again, so the decoration effect will be better. Let me tell you about the specific steps to transform the old wall:

Wall cleaning

Before the renovation, the old wall surface must be treated with wall foundation, and the severely pulverized wall surface should be eradicated. Cover it with pure white cement after eradication. The original wall that is too smooth and has been painted and latex paint should be polished after being eradicated. Remove the loose skin and floating dust, and let the new paint stick to the wall. If there is a depression in the skin, it is best to fill it with putty.

Primer is essential.

The function of wall primer is to resist alkali and moisture, seal the substrate, protect the top coat and improve the texture and hiding power of the top coat. Especially in the renovation of old houses, the wall surface must be primed. When directly brushed, the wall surface is prone to foaming and mildew, and after a long period of sunshine, the wall surface is prone to discoloration.

Complete repair

It is relatively difficult to repair the painted wall to achieve the desired effect, so it is best to repair the painted wall as a whole, or try to choose a larger area for repair and try to avoid color difference.

Repair anti-chromatic aberration

Pay attention to the proportion and painting according to the paint bucket description, and it is best to estimate the dosage. More importantly, prepare enough at one time, so as to ensure the same color. Although the paint factory provides color cards, the effect may be different because the old wall itself is relatively alkaline.